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MAX1489E Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX1489E
Description  ±15kV ESD-Protected, Quad, Low-Power RS-232 Line Receiver
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1489E Datasheet(HTML) 1 Page - Maxim Integrated Products

   
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_______________General Description
The MAX1489E quad, low-power line receiver is
designed for EIA/TIA-232, EIA/TIA-562, and CCITT V.28
communications in harsh environments. Each receiver
input is protected against ±15kV electrostatic dis-
charge (ESD) shocks. These inputs have a ±25V range
and feature hysteresis and time-domain filtering. The
outputs are TTL and CMOS compatible. The MAX1489E
has a 120kbps guaranteed data rate. Supply current is
typically 350µA.
The MAX1489E is pin compatible with the MC1489,
MC14C89, SN75189, SN75C189, DS1489, and
DS14C89. It is available in 14-pin plastic DIP and SO
packages.
________________________Applications
PC Motherboards
Modems
Interfacing Data Terminal Equipment (DTE) with
Data Circuit-Terminating Equipment (DCE)
Equipment Meeting IEC1000-4-2 (formerly
IEC801-2) or ±15kV ESD Protection
____________________________Features
o Enhanced ESD Protection:
±15kV—Human Body Model
±8kV—IEC1000-4-2, Contact Discharge
±15kV—IEC1000-4-2, Air-Gap Discharge
o Latchup Free During an ESD Event
o Low 350µA Supply Current
o Input Hysteresis and Time-Domain Filtering
Eliminate the Need for External Filtering
o Stable Input Thresholds
o Pin Compatible with MC1489, MC14C89, SN75189,
SN75C189, DS1489, and DS14C89
±15kV ESD-Protected, Quad,
Low-Power RS-232 Line Receiver
________________________________________________________________
Maxim Integrated Products
1
14
13
12
11
10
9
8
1
2
3
4
5
6
7
VCC
INPUT D
N.C.
OUTPUT D
INPUT C
N.C.
OUTPUT C
INPUT A
N.C.
OUTPUT A
INPUT B
N.C.
OUTPUT B
GND
TOP VIEW
MAX1489E
DIP/SO
__________________Pin Configuration
INTERCONNECTING
CABLE
SIGNAL GROUND
TTL/CMOS
LOGIC
PC
MOTHERBOARD
(DTE)
MODEM
(DCE)
TTL/CMOS
LOGIC
14 MAX1488E
14 MAX1489E
14 MAX1489E
14 MAX1488E
__________Typical Operating Circuit
Call toll free 1-800-998-8800 for free samples or literature.
19-0426; Rev 0; 8/95
PART
MAX1489ECPD
MAX1489ECSD
MAX1489EC/D
0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
14 Plastic DIP
14 SO
Dice*
______________Ordering Information
* Dice are specified at TA = +25°C.
MAX1489EEPD
-40°C to +85°C
14 Plastic DIP
MAX1489EESD
-40°C to +85°C
14 SO


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